... GB,etc. Grades: TP304/304L/316/316L/316Ti/347/347H/310S/321,etc ASTM Stainless steel seamless pipe & tube1SizeOuter Diameter6mm-530mm ... 40mm (10S-160S)Length: 13m Max2GradeTP304,304L, 316,316L,321,310,317L,301,201 etc 1.4401 ... .4307/1.4571/1.4541/1.4550 etc3Standard: ASTM A312/213/269, EN10216-5, DIN17456/17458, ... : ISO9001-2000; PED97/23/EC hydraulic stainless steel seamless pipe (TP304/304L/316/316L)